API Std 650 welded steel oil storage tanks problem solution

The company focuses on teamwork and builds a team with a dream. For society: we focus on quality first, integrity-based, service-oriented create value for customers and wealth for the society. For employees, the company promote healthy living, happy work, unity, innovation. For working, we seek the efficient operation, the pursuit of excellence. Welcome to come, visit our office building and join us.Structural shapes of 9% and 5% nickel steel may be furnished to the chemical and physical requirements of ASTM A353, A553, or A645. Physical tests shall be in accordance with the requirements of ASTM A6.
API Std 650 welded steel oil storage tanks used Piping, Tubing, and Forgings
Material used for piping, tubing, and forgings shall be compatible in welding strength, and thermal expansion coefficient with the tank shell material. In addition to the specific requirements of this appendix, all piping within the limitations of 1.3.2 shall fulfill the minimum requirements of ASME B31.3.The API 650 specification provides guidelines for the API Std 650 welded steel oil storage tanks design, manufacturing, materials, installation and inspection of welded vertical and cylindrical tanks. Such containers must be on the ground and have a closed or open top.The company uses online training system to let all employees use fragmented time to carry out targeted training anytime, anywhere, regardless of time and geographical restrictions. Through training to improve API Std 650 welded steel oil storage tanks work skills, at the same time, through training, let all improve their own quality education level, let employees work around a goal, create a career and achieve results.Requirements for prefabrication of bottom plate of large vertical API Std 650 welded steel oil storage tanks:
1. The diameter of tank bottom should be enlarged by 0.1% ~ 0.15% according to the design diameter.
2. The minimum dimension of edge plate along the radius direction of tank bottom shall not be less than 700mm.
3. The distance between any adjacent welds of the base plate shall not be less than 300 mm.